Prime p₀= 2215221881101438817 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 10 2 40 2 4 2 40 2 10 2 (?)
a_n: 0 2 12 14 54 56 60 62 102 104 114 116
All 12 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 116
Found by: JayPi
db: batch=81, k=12, 2 10 2 40 2 4

SPT(16)	2215220049572176697	0 14 86 102 140 162 200 212 234 246 284 306 344 360 432 446	-1831529262120
SPT(16)	2215220633502598681	0 10 12 16 42 58 82 136 252 306 330 346 372 376 378 388	-1247598840136
SPT(16)	2215221024723449801	0 38 78 86 120 128 156 158 210 212 240 248 282 290 330 368	-856377989016
SPT(16)	2215221041422010131	0 46 48 58 66 90 96 108 118 130 136 160 168 178 180 226	-839679428686
TPT(14)	2215221627517046117	0 2 60 62 90 92 144 146 180 182 210 212 300 302	-253584392700
STPT(10)	2215221869342486699	0 2 30 32 60 62 90 92 120 122	-11758952118
SPT(16)	2215222375534795129	0 40 48 70 72 94 112 154 198 240 258 280 282 304 312 352	494433356312
SPT(16)	2215222554829339379	0 8 18 20 48 74 102 114 188 200 228 254 282 284 294 302	673727900562
TPT(14)	2215222933565945027	0 2 30 32 60 62 72 74 90 92 102 104 114 116	1052464506210
SPT(16)	2215223362643552137	0 4 10 24 34 70 76 84 112 120 126 162 172 186 192 196	1481542113320
STPT(10)	2215223447079117659	0 2 18 20 30 32 42 44 60 62	1565977678842